Pot lid knob cover



FIG. 1 is a top perspective view of a pot lid knob cover showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof. 

The ornamental design for a pot lid knob cover, as shown and described. 